Home / 1,540,312.76-2,308,916.37-642,250.40

Finding the Fourth Proportional to 1,540,312.76, 2,308,916.37 and 642,250.40

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Solution

The fourth proportional to 1,540,312.76, 2,308,916.37 and 642,250.40 is: 962,728.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,312.76 : 2,308,916.37 = 642,250.40 : x
  2. Step 2: Convert to fraction form
    1,540,312.76/2,308,916.37 = 642,250.40/x
  3. Step 3: Cross multiply
    1,540,312.76x = 2,308,916.37 × 642,250.40
  4. Step 4: Simplify right side
    1,540,312.76x = 1,482,902,462,199.05
  5. Step 5: Solve for x
    x = 1,482,902,462,199.05/1,540,312.76
  6. Step 6: Final answer
    x = 962,728.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.